Between 222 million years ago and present, because birds are technically dinosaurs, but traditional dinosaurs died out 65 million years ago.
At the end of the Cretaceous, roughly 65 million years ago.
The scientific time scale is also called the Geologic time scale. It has been created to describe the order of major events on Earth for the last 4.5 billion years.
The geologic time scale.
Geologic Time. It's called the Geologic Time Scale.
Cenozoic is not a major period of the geologic time scale. The scale is broken down into eras. Cenozoic, Mesozoic and Paleozoic are all part of the Phanerozic era.
since dinosaurs
Phanerozoic is the eon which geologic time scale means visable life.
in the scope of geologic time, how significant is the presence of humans?
The Precambrian
The divisions of the geologic time scale are divided into four eras. from earliest to closer to the present is the Precambrian, Paleozoic, Mesozoic, Cenozoic. During these time periods, there were several major evolutionary events. Most commonly known are the dinosaurs and humans. Hope that helped :)
Cenozoic
The Dinosaurs lived in 3 Geologic time periods-The Triassic, Jurassic, and Cretaceous. These 3 time periods where the three periods of the Mesozoic Era, which is also known as the Age of Reptiles.